Father David Lewis entered the Jesuit Novitiate at Sant' Andrea in Rome on 19th April 1645. After Profession, his superiors immediately sent him to Wales. He was recalled to Rome after only a short stay, to take up the role of Spiritual Director at his old College.
This lasted One Year, as the Mission in South Wales, which had been founded in 1620, petitioned for Father David's immediate return to his homeland. This being granted by his superiors, Father David was sent back to Wales, to the Jesuit Mission of St. Francis Xavier at a place called 'The Cwm' in 1648, where he was to work for the next thirty years. On Sunday 17th November 1678 Father David Lewis was arrested at Llantarnam as he was preparing to say Mass.
At his trial, he was condemned as a Roman Catholic Priest who said Mass, which was considered high treason against the Crown. For this, he was executed at Usk on Wednesday 27th.August 1679
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